Home / 37,309.58-51,487.13-20,313.56

Finding the Fourth Proportional to 37,309.58, 51,487.13 and 20,313.56

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Solution

The fourth proportional to 37,309.58, 51,487.13 and 20,313.56 is: 28,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.58 : 51,487.13 = 20,313.56 : x
  2. Step 2: Convert to fraction form
    37,309.58/51,487.13 = 20,313.56/x
  3. Step 3: Cross multiply
    37,309.58x = 51,487.13 × 20,313.56
  4. Step 4: Simplify right side
    37,309.58x = 1,045,886,545.48
  5. Step 5: Solve for x
    x = 1,045,886,545.48/37,309.58
  6. Step 6: Final answer
    x = 28,032.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.